org.apache.olingo.commons.core.data.AbstractAtomDealer.java Source code

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Here is the source code for org.apache.olingo.commons.core.data.AbstractAtomDealer.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.olingo.commons.core.data;

import javax.xml.XMLConstants;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.apache.commons.lang3.StringUtils;
import org.apache.olingo.commons.api.Constants;
import org.apache.olingo.commons.api.edm.constants.ODataServiceVersion;

abstract class AbstractAtomDealer {

    protected static final String TYPE_TEXT = "text";

    protected final ODataServiceVersion version;

    protected final QName etagQName;

    protected final QName inlineQName;

    protected final QName actionQName;

    protected final QName propertiesQName;

    protected final QName typeQName;

    protected final QName nullQName;

    protected final QName elementQName;

    protected final QName countQName;

    protected final QName uriQName;
    protected final QName nextQName;

    public AbstractAtomDealer(final ODataServiceVersion version) {
        this.version = version;

        this.etagQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA),
                Constants.ATOM_ATTR_ETAG);
        this.inlineQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA),
                Constants.ATOM_ELEM_INLINE);
        this.actionQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA),
                Constants.ATOM_ELEM_ACTION);
        this.propertiesQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA),
                Constants.PROPERTIES);
        this.typeQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA),
                Constants.ATTR_TYPE);
        this.nullQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA),
                Constants.ATTR_NULL);
        this.elementQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_DATASERVICES),
                Constants.ELEM_ELEMENT);
        this.countQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA),
                Constants.ATOM_ELEM_COUNT);
        this.uriQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_DATASERVICES),
                Constants.ELEM_URI);
        this.nextQName = new QName(version.getNamespaceMap().get(ODataServiceVersion.NS_DATASERVICES),
                Constants.NEXT_LINK_REL);
    }

    protected void namespaces(final XMLStreamWriter writer) throws XMLStreamException {
        writer.writeNamespace(StringUtils.EMPTY, Constants.NS_ATOM);
        writer.writeNamespace(XMLConstants.XML_NS_PREFIX, XMLConstants.XML_NS_URI);
        writer.writeNamespace(Constants.PREFIX_METADATA,
                version.getNamespaceMap().get(ODataServiceVersion.NS_METADATA));
        writer.writeNamespace(Constants.PREFIX_DATASERVICES,
                version.getNamespaceMap().get(ODataServiceVersion.NS_DATASERVICES));
        writer.writeNamespace(Constants.PREFIX_GML, Constants.NS_GML);
        writer.writeNamespace(Constants.PREFIX_GEORSS, Constants.NS_GEORSS);
    }

}